Universal USB Wall Charger 4-Port 36W, BLISS Portable USB Hub Quick Charge, Rapid Multiple USB Charger, Travel Charger for iPhone iPad Samsung Galaxy & Other Device - Black Intelligent USB Port Design: Detects your device automatically to deliver its fastest possible charge speed up to 2.4 amps per port or 7.2 amps overall. Wide Input Voltage Range: Work with AC 100-240V internationally, compatible with all 5V USB-charged devices like iPad, iPhone, Samsung tab, Smartphone, external battery, Bluetooth speaker, Headset and so on. Fire- Resistant Plastic: High quality outer shell for durability, build-in premium circuitry and microchip ensure device safety. Ergonomic, Compact and Portable Design: Input voltage suits for international travel, much more space-saving and well-organized while charging your devices. Security USB Charger: Smart IC prevent the occurrence of accident effectively. 18 months warranty by manufacturer.